Old lady and  empty cocacola bottle

 

One the weekend, i look around at the street with my friend.It is a hot day, so i feel thirsty and buy a bottle of cocacola.

After drink several times, only a little cocacola leave in the bottle .A cool feeling flew my body,but i find a old lady always follow us.Finally, i can't restrain my curiosity, ask the old lady why you always follow us.The old lady point at cocacola,

ask me:you want to have an empty bottle of cocacola? ohoh,i do not need it, give you.The old lady accept it happily.

 

However i find the old lady still follow us,i am puzzled then turn back .I have given the empty bottle cocacola to you,

why track us all the time ?  "it is so hot today, i can't believe you only drink a bottle of cocacola" the old lady said: